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Resurs-F1-17F41 No. 23L

Re-entered 12 Sep 1985

Resurs-F1-17F41 No. 23L (NORAD 15997, COSPAR 1985-077A) was a SU satellite that re-entered Earth's atmosphere on 12 Sep 1985, launched on 29 Aug 1985 on the Resurs-F1 17F41 No. 53 mission. It was operated by PRIR as part of the Resurs-F1 programme. The spacecraft was built by TSSKB on the Resurs-F1 bus, with a mass of 2,555 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1985
launched
1985
re-entered
0
years on orbit
2,555
kg mass

Lifecycle

Launched29 Aug 1985 · on the Resurs-F1 17F41 No. 53 mission
Operational12 Sep 1985 · entered service
Retired12 Sep 1985 · end of operational service
Re-entered12 Sep 1985 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15997
COSPAR1985-077A
TypeSatellite
OperatorPRIR
Country / StateSU
ManufacturerTSSKB
BusResurs-F1
Mass2,555 kg
ProgrammeResurs-F1
CategoryIMG
OrbitLEO (LLEO/I)
Altitude258 × 272 km
Inclination82.3°

Frequently asked questions

What happened to Resurs-F1-17F41 No. 23L?

Resurs-F1-17F41 No. 23L re-entered Earth's atmosphere on 12 Sep 1985, ending a mission that began with its launch in 1985. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Resurs-F1-17F41 No. 23L re-enter the atmosphere?

Resurs-F1-17F41 No. 23L re-entered on 12 Sep 1985, according to Orbital Radar's historical catalogue records.

Who operated and built Resurs-F1-17F41 No. 23L?

Resurs-F1-17F41 No. 23L was operated by PRIR and built by TSSKB (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.